Save guides, add subjects and pick up where you left off with your BBC account. Computer Aided Design (CAD) is the use of software to create precise digital drawings and 3D models of products.

Sanofi has won FDA approval for its sutimlimab for cold agglutinin disease (CAD) at the second time of asking, becoming the first approved therapy for the rare blood disorder in the US.

Microscopes will be used to study the hidden forms within flowers, and you will learn how to produce enlarged drawings which are accurate, informative and beautiful. Lucy T Smith is a freelance ...